Method get_session_ledger

atomic-repository/src/repository/changes.rs:1374–1400

Read the Atomic-native indexed ledger for a session. Unlike `find_provenance_for_session`, this reads only the session index and turn records; it does not scan unrelated provenance files.

(
        &self,
        session_id: &str,
    )

    /// Unlike `find_provenance_for_session`, this reads only the session index
    /// and turn records; it does not scan unrelated provenance files.
    pub fn get_session_ledger(
        &self,
        session_id: &str,
    ) -> Result<
        Option<(
            atomic_core::change::session::SessionRecord,
            Vec<atomic_core::change::session::SessionTurn>,
        )>,
        RepositoryError,
    > {
        let txn = self
            .pristine
            .read_txn()
            .map_err(|e| RepositoryError::Database(e.to_string()))?;
        let record = txn
            .get_session_record(session_id)
            .map_err(|e| RepositoryError::Database(e.to_string()))?;
        match record {
            Some(record) => {
                let turns = txn
                    .get_session_turns(session_id)
                    .map_err(|e| RepositoryError::Database(e.to_string()))?;
                Ok(Some((record, turns)))
            }
            None => Ok(None),
        }
    }

    /// List recent session ledgers, newest activity first.
    ///